C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 33/00 (2006.01) C04B 24/26 (2006.01) C04B 40/00 (2006.01) C08J 3/12 (2006.01) C09D 133/06 (2006.01) C08L 29/04 (2006.01)
Patent
CA 2110448
ABSTRACT A method for preparing an acrylic polymer powder which is redispersible in water by atomizing an aqueous polymer dispersion containing a dispersing aid, the improvement which comprises employing an acrylic polymer containing 1-15 wt% olefinically unsaturated carboxylic acid comonomer and an effective amount of a dispersing aid consisting essentially of polyvinyl alcohol.
Mao Chung-Ling
Pak-Harvey Helen H.y.
Air Products And Chemicals Inc.
Mcfadden Fincham
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